Dataset
To provide statistical data of irrigation, reservoir, water and alkali control in Qinghai Province.
Dataset covers the period between 1978 and 2005.
This dataset entails number of irrigated areas over 10000 mu, effective irrigation area of irrigation area (1000 HA), large reservoir, medium reservoir, small reservoir, water saving irrigation area (1000 HA), drainage area (1000 HA), soil erosion area (1000 HA), area of soil erosion control, saline alkali land area (1000 HA), improved area of saline alkali farmland (1000 HA), dike length (km), embankment protection area (1000 HA) and year..
Satellite imagery and laboratory analysis.